Support Python 3.11

.github/workflows/lint.yml

@@ -9,10 +9,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: Install dependencies
       run: |

.github/workflows/publish.yml

@@ -12,10 +12,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.10
 
     - name: Build wheel and source tarball
       run: |

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        python: ['3.7', '3.8', '3.9', '3.10', 'pypy3.9']
+        python: ['3.7', '3.8', '3.9', '3.10', '3.11', 'pypy3.9']
 
     steps:
       - uses: actions/checkout@v3

.readthedocs.yaml

@@ -5,9 +5,9 @@
 version: 2
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.10"
 
 sphinx:
    configuration: docs/conf.py

docs/conf.py

@@ -138,6 +138,7 @@
 EnterLeaveVisitor
 FormattedSourceLocation
 GraphQLAbstractType
+GraphQLErrorExtensions
 GraphQLOutputType
 asyncio.events.AbstractEventLoop
 graphql.execution.map_async_iterator.MapAsyncIterator

pyproject.toml

@@ -19,7 +19,8 @@ classifiers = [
     "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10"
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11"
 ]
 packages = [
     { include = "graphql", from = "src" },
@@ -80,7 +81,7 @@ sphinx_rtd_theme = ">=1,<2"
 exclude_dirs = ["tests"]
 
 [tool.black]
-target-version = ["py37", "py38", "py39", "py310"]
+target-version = ["py37", "py38", "py39", "py310", "py311"]
 
 [tool.coverage.run]
 branch = true
@@ -119,7 +120,7 @@ force_single_line = false
 lines_after_imports = 2
 
 [tool.mypy]
-python_version = 3.9
+python_version = "3.10"
 check_untyped_defs = true
 no_implicit_optional = true
 strict_optional = true

tests/execution/test_nonnull.py

@@ -1,3 +1,4 @@
+import asyncio
 import re
 from typing import Any, Awaitable, cast
 
@@ -482,6 +483,7 @@ def describe_nulls_the_top_level_if_non_nullable_field():
         @mark.asyncio
         async def returns_null():
             result = await execute_sync_and_async(query, NullingData())
+            await asyncio.sleep(0)  # strangely needed to get coverage on Python 3.11
             assert result == (
                 None,
                 [
@@ -497,6 +499,7 @@ async def returns_null():
         @mark.asyncio
         async def throws():
             result = await execute_sync_and_async(query, ThrowingData())
+            await asyncio.sleep(0)  # strangely needed to get coverage on Python 3.11
             assert result == (
                 None,
                 [

tests/pyutils/test_is_awaitable.py

@@ -1,5 +1,6 @@
 import asyncio
 from inspect import isawaitable
+from sys import version_info as python_version
 
 from pytest import mark
 
@@ -75,8 +76,12 @@ async def some_coroutine():
         assert isawaitable(some_coroutine())
         assert is_awaitable(some_coroutine())
 
-    @mark.filterwarnings("ignore::Warning")  # Deprecation and Runtime
-    def recognizes_an_old_style_coroutine():
+    @mark.filterwarnings("ignore::Warning")  # Deprecation and Runtime warnings
+    @mark.skipif(
+        python_version >= (3, 11),
+        reason="Generator-based coroutines not supported any more since Python 3.11",
+    )
+    def recognizes_an_old_style_coroutine():  # pragma: no cover
         @asyncio.coroutine
         def some_old_style_coroutine():
             yield False  # pragma: no cover

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py3{7,8,9,10}, pypy39, black, flake8, isort, mypy, docs
+envlist = py3{7,8,9,10,11}, pypy39, black, flake8, isort, mypy, docs
 isolated_build = true
 
 [gh-actions]
@@ -8,18 +8,19 @@ python =
     3.7: py37
     3.8: py38
     3.9: py39
-    3.10: py310
+    3.10: py310<g
+    3.11: py311
     pypy3: pypy39
     pypy3.9: pypy39
 
 [testenv:black]
-basepython = python3.9
+basepython = python3.10
 deps = black==22.10.0
 commands  =
     black src tests -t py39 --check
 
 [testenv:flake8]
-basepython = python3.9
+basepython = python3.10
 deps =
     flake8>=5,<6
     flake8-bandit>=4.1,<6
@@ -28,21 +29,21 @@ commands =
     flake8 src tests
 
 [testenv:isort]
-basepython = python3.9
+basepython = python3.10
 deps = isort>=5.10,<6
 commands =
     isort src tests --check-only
 
 [testenv:mypy]
-basepython = python3.9
+basepython = python3.10
 deps =
     mypy==0.982
     pytest>=7.1,<8
 commands =
     mypy src tests
 
 [testenv:docs]
-basepython = python3.9
+basepython = python3.10
 deps =
     sphinx>=5.2.1,<6
     sphinx_rtd_theme>=1,<2